考虑主配网协同的虚拟电厂灵活性调度与现货出清模型

黄福全; 何宇俊; 郭鸿业; 李云; 陈图南

doi:10.12204/j.issn.1000-7229.2025.07.004

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电力建设 ›› 2025, Vol. 46 ›› Issue (7) : 42-52. DOI: 10.12204/j.issn.1000-7229.2025.07.004

虚拟电厂群体智能运行与优化控制·栏目主持：高扬、尚策、胡枭、夏元兴、郑晓东、杨楠·

考虑主配网协同的虚拟电厂灵活性调度与现货出清模型

黄福全 ¹ ,
何宇俊 ² ,
郭鸿业 ² ,
李云 ¹ ,
陈图南 ¹^,³

作者信息 +

Clearing Model for Flexibility Dispatching of Virtual Power Plants and Energy Spot Market Considering Transmission-Distribution Coordination

HUANG Fuquan ¹ ,
HE Yujun ² ,
GUO Hongye ² ,
LI Yun ¹ ,
CHEN Tunan ¹^,³

Author information +

文章历史 +

摘要

【目的】针对分布式资源高比例接入配电网并参与不同层级电网协同运行的问题挑战，提出了虚拟电厂（virtual power plant，VPP）在配网侧分层聚合并参与现货出清模型。【方法】配网运营商首先将不同分布式资源在配网台区层面聚合为虚拟电厂交易单元；然后，在配网层面建立综合考虑虚拟电厂和配电网线路约束的配网侧虚拟电厂灵活性调度模型；最后，以非迭代方式对配网侧虚拟电厂灵活性调度与现货市场出清模型进行协同优化。通过IEEE标准算例对所提模型的市场出清成本、主配网运行情况以及计算效率进行了对比分析，验证了所提模型的有效性。【结果】所提方法在仿真场景中的主配网预期收益与非协同场景相比提升了4.4%，计算时间相当于迭代计算方法降低了77.8%。【结论】所提模型能够满足输配多层级电网的灵活性需求，提高了系统对新能源的消纳能力。

Abstract

[Objective] The increasing penetration of distributed resources into the distribution grid and their participation in coordinated operations across different levels of the power grid present several challenges. To address these challenges， this study proposes a joint clearing model for virtual power plants （VPPs） participating in local flexibility markets and spot markets. [Methods] Distribution service operators first aggregate the distributed resources into the VPP trading units in distribution network buses. Subsequently， at the distribution network level， a flexibility dispatching model for VPPs on the distribution network is established， which comprehensively considers the constraints of VPPs and the distribution network. Finally， the flexibility dispatching model and spot market-clearing model are co-optimized in a non-iterative manner. To validate the effectiveness of the proposed model， a case study was conducted based on IEEE standard test systems， and a comparative analysis with the market model was performed on the overall cost， transmission-distribution network operation， and clearing efficiency. [Results] Using the proposed method， the expected revenue of the transmission and distribution networks increased by 4.4% in the simulation and computation time reduced by 77.8%， compared with the non-cooperative scenario and iterative calculation method， respectively. [Conclusions] The results demonstrate that the proposed model can meet the flexibility needs of transmission and distribution networks and enhance the integration capacity of the system for renewables.

导出引用

黄福全, 何宇俊, 郭鸿业, 等. 考虑主配网协同的虚拟电厂灵活性调度与现货出清模型[J]. 电力建设. 2025, 46(7): 42-52 https://doi.org/10.12204/j.issn.1000-7229.2025.07.004

HUANG Fuquan, HE Yujun, GUO Hongye, et al. Clearing Model for Flexibility Dispatching of Virtual Power Plants and Energy Spot Market Considering Transmission-Distribution Coordination[J]. Electric Power Construction. 2025, 46(7): 42-52 https://doi.org/10.12204/j.issn.1000-7229.2025.07.004

中图分类号： TM73

参考文献

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摘要

针对电网的分区运行与多类型灵活性资源地区间分布不均衡的特性,提出一种考虑灵活性互济的跨区电网灵活性资源优化调度策略。首先,建立考虑多类型灵活性资源的综合灵活性供给能力模型,同时计及灵活性互济水平建立联络线功率约束模型;其次,建立基于电网间灵活性资源互济机制的多区域电网优化调度模型,将灵活性平衡机理与多种灵活性资源协调运行问题结合起来,引入模糊机会约束描述净负荷不确定性对灵活性供需平衡和电力平衡的影响;最后,以3个互联的IEEE-39节点系统为例对所提出的调度模型进行了验证,结果表明,所提灵活性互济调度模型促进了电网的灵活性供需平衡,有效地降低了系统运行成本和碳排放量,对系统经济安全、低碳环保运行具有积极意义。

LIN

Shunfu

, ZHANG

, SHEN

Yunwei

, et al. Optimal dispatching strategy of flexible resources considering flexible mutual aid among regional grid[J]. Electric Power Construction, 2023, 44(8): 71-81.

https://doi.org/10.12204/j.issn.1000-7229.2023.08.008

本文引用 [1] 摘要

Aiming at the regional operation of power systems and the uneven regional distribution of multitype flexible resources, an optimal dispatching strategy for flexible resources considering flexible mutual aid among regional grids is proposed. First, a comprehensive flexible supply capacity model considering multitype flexible resources was established, and a power constraint model of the tie line was realized considering the level of flexible mutual aid. Second, an optimal dispatching model of a multiregional power grid based on a flexible mutual aid mechanism is accomplished, in which the flexibility balance mechanism is combined with the coordinated operation of multiple flexible resources, and fuzzy opportunity constraints are introduced to describe the impacts of net load uncertainties on the flexible supply-demand balance and power balance. Finally, three interconnected IEEE-39-node systems are used as examples to verify the proposed dispatching model. The results show that the proposed flexible mutual aid dispatching model can promote a flexible supply-demand balance of the power grid, effectively reduce the system operation cost and carbon emissions, and thus has positive significance for the economic, safe, and low-carbon operation of the power system.

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摘要

主动配电网（active distribution network， ADN）拥有更多的调度自主权，能够主动管理分布式发电机、储能设备以及主动负荷，实现配网的高效运行。主网与配网调度结果相互影响，因此在制定ADN优化调度方案时，除了考虑自身的运行成本，还应该兼顾与主网之间的协调问题。该文设计配网与主网实时信息交互模式，对主动负荷和储能设备进行建模分析，提出基于实时电价的协调调度模型；并针对该调度模型，提出并行优化算法，通过对连接配网的IEEE 9节点系统进行仿真，验证了模型及求解算法的有效性；最后，分析比较了需求侧响应、储能设备和联络线功率上限对调度结果产生的影响。

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Yao

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Zhengyu

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https://doi.org/10.3969/j.issn.1000-7229.2016.01.006

本文引用 [1] 摘要

Active distribution network (ADN) with more autonomy in dispatching is able to control distributed generators, energy storage equipments and active load, which can realize the efficient operation of distribution network. The dispatching schedule of main network and distribution network influences each other. Besides the operating cost, the coordination of main network and distribution network should be considered when we make the optimal schedule of ADN. This paper provides a real-time information interaction mode, carries out modeling analysis on active load and energy storage equipments, and proposes a coordinative dispatching model based on real-time pricing. In addition, a parallel optimization algorithm is presented aiming at the scheduling model. Simulation results on the IEEE 9 node system connected with a distribution network verify the validity of the model and the algorithm. Finally, we analyze the influences of demand response, energy storage equipments and power limit in interconnecting lines on the dispatching schedule.

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